Floquet scattering of quadratic band-touching semimetals through a time-periodic potential well
Floquet scattering of quadratic band-touching semimetals through a time-periodic potential well
We consider tunneling of quasiparticles through a rectangular quantum well, subject to periodic driving. The quasiparticles are the itinerant charges in two-dimensional and three-dimensional semimetals having a quadratic band-touching (QBT) point in the Brillouin zone. In order to analyze the time-periodic Hamiltonian, we assume a non-adiabatic limit, where the Floquet …